Technical Information overview

Technologies

When design engineers must choose between possible motor & gearbox styles for a suitable technology, SDT can provide valuable assistance. Our knowledge of the available products as well as solutions in the variety of applications can help OEMs cut time off the design schedule, thus speeding time to market and lowering product development costs.

SDT offer Electric Machine & Gearbox Design Engineering in several technologies:

Engineering Overview and Design

Permanent magnet (PM) machines

PM machines have a higher efficiency as a result of the passive, PM-based field excitation. PM machines have the highest power density compared with other types of electric machines, which implies that they are lighter and occupy less space for a given power rating.

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Engineering Overview and Design

Induction motors

Alternating current (AC) induction motors have a long history of successful operation in industrial applications and have proved to be rugged and reliable machines.

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Engineering Overview and Design

Switched reluctance motors

In the switched reluctance machine both the rotor and the stator have salient poles. This doubly salient arrangement proves to be very effective as far as electromagnetic energy conversion is concerned. The rotor, which is made from machined steel, has no windings or magnets and is therefore cheap to manufacture.

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Engineering Overview and Design

Gearbox & Transaxle Drives

Gears are the most common transmission elements because they can transmit large torques with the use of small-sized motors. Hence, the systems are compact.

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